to be with us. i'm terrell brown. we begin with sandy, no longer a hurricane. she's now a post-tropical cyclone. still doing damage as she moves inland. so far the mega storm has killed 16 people in seven states. an estimated 5.7 million people are without power and it could become one of the most expensive natural disasters in u.s. history, with damages running between $10 and $20 billion. here in new york last night, amateur video caught a massive explosion at con edison substation. the blast knocked out power to tens of thousands in lower manhattan. randall pinkston has more. >> reporter: sandy roared ashore south of atlantic city, new jersey, monday evening, packing sustained wind of 80 mile an hour with gusts over 100 miles an hour. the storm blew out windows and flooded streets up and down the east coast. storm cut electricity to more than 2 million homes and businesses. this is video of a power substation exploding in new york. >> we knew that this was going to be a very dangerous storm. the storm has met our expectations. >> reporter: new york city is all but shut down. the powerful sto